港股医药股，集体大跌

Group 1 - The healthcare sector in Hong Kong saw over 60% of its 290 stocks decline, with 61 stocks dropping more than 4% on February 26 [2] - The stocks of Dechra Pharmaceuticals (06996.HK), BeiGene (06160.HK), and WuXi AppTec (02268.HK) led the declines, falling by 10.44%, 9.16%, and 8.69% respectively [2] - BeiGene's market capitalization fell below 300 billion HKD, closing at 299.5 billion HKD on February 26 [2] Group 2 - BeiGene is set to announce its financial performance for the fourth quarter and the full year of 2025 after the market close on February 26, according to previous announcements [4] - As of the time of reporting, BeiGene had not yet released its financial report [4]